


ul>li{
    width: 20vw;
    height: 20vw;
    background: pink;
    margin-bottom: 0.4rem;
    border-radius: 8px;
    margin-left: 0.2rem;
    margin-top: 0.1rem;
}

.w100{
    height: 100%;
}

li>.a1{
    width: 4vw;
    height: 4vw;
    border-radius: 50%;
    background: black;
}
li .b2{
    width: 4vw;
    height: 4vw;
    border-radius: 50%;
    background: black;
    margin: 0.1rem ;
}